video {
    width: 100vw;
    height: 100vh;
    margin: auto;
    position: relative;
}
.icon {
    position: absolute;
    left: 20vw;
    bottom: 0;
    width: 60vw;
    height: 9vh;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    display: flex;
    align-items: center;
    z-index: 99999999；
}

.icon {
    span {
        font-size: 2vw;
        margin: 5% 5%;
    }
}